US4951509A - Fluid-pressure detector - Google Patents

Fluid-pressure detector Download PDF

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Publication number
US4951509A
US4951509A US07/379,317 US37931789A US4951509A US 4951509 A US4951509 A US 4951509A US 37931789 A US37931789 A US 37931789A US 4951509 A US4951509 A US 4951509A
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US
United States
Prior art keywords
pillow
pressure
detecting
fluid
detecting means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/379,317
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English (en)
Inventor
Toshio Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissho Corp
Original Assignee
Nissho Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissho Corp filed Critical Nissho Corp
Assigned to NISSHO CORPORATION, 9-3, HONJO-NISHI 3-CHOME, KITA-KU, OSAKA-SHI, JAPAN reassignment NISSHO CORPORATION, 9-3, HONJO-NISHI 3-CHOME, KITA-KU, OSAKA-SHI, JAPAN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: YAMAUCHI, TOSHIO
Application granted granted Critical
Publication of US4951509A publication Critical patent/US4951509A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means

Definitions

  • FIG. 4 shows a schematic structure of the pressure-detecting chamber 10.
US07/379,317 1988-08-22 1989-07-13 Fluid-pressure detector Expired - Lifetime US4951509A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63208865A JPH0833332B2 (ja) 1988-08-22 1988-08-22 液体圧力検出機構
JP63-208865 1988-08-22

Publications (1)

Publication Number Publication Date
US4951509A true US4951509A (en) 1990-08-28

Family

ID=16563401

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/379,317 Expired - Lifetime US4951509A (en) 1988-08-22 1989-07-13 Fluid-pressure detector

Country Status (5)

Country Link
US (1) US4951509A (ja)
EP (1) EP0355373B1 (ja)
JP (1) JPH0833332B2 (ja)
CA (1) CA1329326C (ja)
DE (1) DE68912849T2 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788463A (en) * 1995-12-22 1998-08-04 Chan; Kwan-Ho Manual vacuum producing system having pressure indicator
US20020107468A1 (en) * 2000-12-08 2002-08-08 Jacques Chevallet Device for measuring pressure comprising a membrane moulded into a cassette
US20090007683A1 (en) * 2006-03-29 2009-01-08 Jms Co., Ltd Pressure Detection Device
US20130004352A1 (en) * 2010-07-06 2013-01-03 Nvb International Uk Ltd. Hose For A Piston-Chamber Combination
CN104781552A (zh) * 2012-07-06 2015-07-15 斯福泵有限公司 空气泵

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581986B2 (ja) * 1990-03-01 1997-02-19 鐘淵化学工業株式会社 ピロー型圧力検出器
GB9026403D0 (en) * 1990-12-05 1991-01-23 Smiths Industries Plc Pressure monitors
JP5356833B2 (ja) * 2009-01-08 2013-12-04 日機装株式会社 圧力検知装置
JP5426269B2 (ja) * 2009-08-04 2014-02-26 日機装株式会社 血液回路及びそれを具備した血液浄化装置
JP5337618B2 (ja) * 2009-08-04 2013-11-06 日機装株式会社 脱血圧検知手段の校正方法及び血液浄化装置
JP5781829B2 (ja) * 2011-05-19 2015-09-24 日機装株式会社 可撓性容器用保持装置および可撓性容器用保持装置を備えた血液浄化装置
JP5425151B2 (ja) * 2011-09-21 2014-02-26 日機装株式会社 圧力検出部

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420148A (en) * 1943-11-08 1947-05-06 Douglas Aircraft Co Inc Pressure indicator
US2862521A (en) * 1954-09-27 1958-12-02 G M Giannini & Co Inc Vibration damping means for pressure sensitive devices
US3315534A (en) * 1964-07-16 1967-04-25 Victor Comptometer Corp Linkage
US3982437A (en) * 1976-01-28 1976-09-28 Tokyo Iryoki Kabushiki Kaisha Readily zeroed pressure gage of sphygmomanometer
US4245508A (en) * 1979-08-22 1981-01-20 Intercontinental Dynamics Corporation Pressure indicator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1921001A (en) * 1929-02-11 1933-08-08 Ohlson Olof Pressure gauge
US3907504A (en) * 1973-04-06 1975-09-23 Gen Electric Blood oxygenation system including automatic means for stabilizing the flow rate of blood therethrough
US3841157A (en) * 1973-05-31 1974-10-15 C Willock Drop bulb pressure-measuring device
GB2024427B (en) * 1978-06-19 1983-04-27 Matburn Holdings Ltd Indicating pressure
US4185641A (en) * 1978-08-23 1980-01-29 Hewlett-Packard Company Pressure dome
JPS6114312U (ja) * 1984-06-29 1986-01-28 株式会社日立製作所 圧力計内機の連結機構

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420148A (en) * 1943-11-08 1947-05-06 Douglas Aircraft Co Inc Pressure indicator
US2862521A (en) * 1954-09-27 1958-12-02 G M Giannini & Co Inc Vibration damping means for pressure sensitive devices
US3315534A (en) * 1964-07-16 1967-04-25 Victor Comptometer Corp Linkage
US3982437A (en) * 1976-01-28 1976-09-28 Tokyo Iryoki Kabushiki Kaisha Readily zeroed pressure gage of sphygmomanometer
US4245508A (en) * 1979-08-22 1981-01-20 Intercontinental Dynamics Corporation Pressure indicator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788463A (en) * 1995-12-22 1998-08-04 Chan; Kwan-Ho Manual vacuum producing system having pressure indicator
US20020107468A1 (en) * 2000-12-08 2002-08-08 Jacques Chevallet Device for measuring pressure comprising a membrane moulded into a cassette
US6684710B2 (en) * 2000-12-08 2004-02-03 Hospal International Marketing Management Device for measuring pressure comprising a membrane moulded into a cassette
US20090007683A1 (en) * 2006-03-29 2009-01-08 Jms Co., Ltd Pressure Detection Device
US8156817B2 (en) 2006-03-29 2012-04-17 Jms Co., Ltd Pressure detection device
US20130004352A1 (en) * 2010-07-06 2013-01-03 Nvb International Uk Ltd. Hose For A Piston-Chamber Combination
CN104781552A (zh) * 2012-07-06 2015-07-15 斯福泵有限公司 空气泵

Also Published As

Publication number Publication date
DE68912849D1 (de) 1994-03-17
EP0355373A2 (en) 1990-02-28
JPH0255926A (ja) 1990-02-26
EP0355373B1 (en) 1994-02-02
DE68912849T2 (de) 1994-05-26
CA1329326C (en) 1994-05-10
JPH0833332B2 (ja) 1996-03-29
EP0355373A3 (en) 1991-06-12

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